57451032 has 56 divisors (see below), whose sum is σ = 161523540. Its totient is φ = 19148400.

The previous prime is 57451019. The next prime is 57451039. The reversal of 57451032 is 23015475.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 57450987 and 57451005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57451039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 907 + ... + 10757.

Almost surely, 2^57451032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57451032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80761770).

57451032 is an abundant number, since it is smaller than the sum of its proper divisors (104072508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57451032 is an equidigital number, since it uses as much as digits as its factorization.

57451032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9875 (or 9856 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 57451032 is about 7579.6459020194. The cubic root of 57451032 is about 385.8625334904.

The spelling of 57451032 in words is "fifty-seven million, four hundred fifty-one thousand, thirty-two".